/Engine/Source/Runtime/Engine/Classes/Materials/MaterialInterface.h
[FMaterialParameterInfo](API\Runtime\Engine\FMaterialParameterInfo) GetParameterInfo ( EMaterialParameterAssociation Association, [FName](API\Runtime\Core\UObject\FName) ParameterName, [UMaterialFunctionInterface](API\Runtime\Engine\Materials\UMaterialFunctionInterface) * LayerFunction ) const